Home / 254,977,136.20-382,465,704.30-82,471,387.60

Finding the Fourth Proportional to 254,977,136.20, 382,465,704.30 and 82,471,387.60

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Solution

The fourth proportional to 254,977,136.20, 382,465,704.30 and 82,471,387.60 is: 123,707,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,977,136.20 : 382,465,704.30 = 82,471,387.60 : x
  2. Step 2: Convert to fraction form
    254,977,136.20/382,465,704.30 = 82,471,387.60/x
  3. Step 3: Cross multiply
    254,977,136.20x = 382,465,704.30 × 82,471,387.60
  4. Step 4: Simplify right side
    254,977,136.20x = 31,542,477,343,032,284
  5. Step 5: Solve for x
    x = 31,542,477,343,032,284/254,977,136.20
  6. Step 6: Final answer
    x = 123,707,081.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.